Hi Jesse - I have the same problem.
Where is the FPGA version 4?
I tried to load ts7500_opencore.vme which I got from
FTP://embeddedarm.com/ts-arm-sbc/ts7500-linux/binaries/bitstreams, but it fails
to load with
loadfpga_error="verification failed".
Where is the correct FPGA load file?
Martin
--- In "jesseoff" <> wrote:
>
> FPGA revisions 0-2 had a problem with XUART channel #0 (stuck internal
> loopback)
>
> FPGA version 4 is the most recent (less than 7 days old)
>
> The FPGA can be reloaded post-bootup by ts7500ctl or you can send the board
> back to us for reprogramming.
>
> I have also updated the opencore source code for the TS-7500 and made it
> available for download.
> ftp://ftp.embeddedarm.com/ts-arm-sbc/ts-7500-linux/sources/fpga-opencore.zip
>
> This opencore is the latest and contains the Lattice project files with
> Verilog sources for the:
> * TS-7500
> * TS-7550
> * TS-7552
> * TS-4500
>
> The TS-4500 is yet to be released, but we are releasing the opencore and
> documentation before product release.
>
> //Jesse Off
>
>
> --- In "Jongsoo Kim" <jongsoo.kim@> wrote:
> >
> > Group
> >
> >
> >
> >
> >
> > I am potentially seeing a strange thing in uart.
> >
> > It repeatedly read same character several time.
> >
> > I think it is xuart driver problem.
> >
> >
> >
> > I have FPGA revision 0x0.
> >
> >
> >
> > # ts7500ctl -i
> > model=0x7550
> > submodel=0x0
> > revision=0x0
> > bootmode=0x3
> > bootdev=0x0
> > resetsw_en=0x1
> > latched_dio9=0x1
> > dio=0x1ffffffffe0
> > #
> >
> >
> >
> > I remember someone told me I have to watch out FPGA revision for TS7500.
> >
> >
> >
> > So the question is how I can upgrade FPGA revision?
> >
> >
> >
> > Thank you in advance
> >
> >
> >
> > Jongsoo
> >
>
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